/* =========================
   VARIABLES
   ========================= */
:root {
  /* Colors */
  --color-background: #f9fafb;
  --color-surface: #fff;
  --color-text: #222;
  --color-primary: #0167b2;
  --color-primary-hover: #014f8f;
  --color-success: #199e5c;
  --color-warning: #fdc243;
  --color-danger: #e04848;
  --color-gray-100: #f4f6f8;
  --color-gray-200: #e3e8ee;
  --color-gray-300: #c1c9d2;
  --color-gray-400: #8b98a7;
  --color-gray-500: #5f6a7d;
  --color-gray-600: #444d5d;

  /* Typography */
  --font-sans: 'Inter', 'Segoe UI', Arial, sans-serif;
  --font-mono: 'Fira Mono', 'Consolas', monospace;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-md: 1rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-loose: 1.7;

  /* Spacing (major scale: 0 - 96px) */
  --space-0: 0rem;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-24: 6rem;
  --space-32: 8rem;
  --space-48: 12rem;
  --space-64: 16rem;
  --space-96: 24rem;

  /* Radius */
  --radius-xs: 2px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-xl: 32px;

  /* Shadows */
  --shadow-xs: 0 1px 2px rgba(60,72,88,0.07);
  --shadow-sm: 0 2px 4px rgba(60,72,88,0.09);
  --shadow-md: 0 4px 12px rgba(60,72,88,0.13);
  --shadow-lg: 0 8px 24px rgba(60,72,88,0.16);

  /* Transition */
  --transition-fast: 120ms cubic-bezier(.4,0,.2,1);
  --transition-base: 180ms cubic-bezier(.4,0,.2,1);
  --transition-slow: 300ms cubic-bezier(.4,0,.2,1);
}

/* =========================
   RESET / NORMALIZE
   ========================= */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  scroll-behavior: smooth;
}

body {
  background: var(--color-background);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: var(--font-size-md);
  line-height: var(--line-height-normal);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

img,
svg,
video,
canvas,
iframe,
embed,
object {
  max-width: 100%;
  height: auto;
  display: block;
}

ul,
ol {
  margin: 0;
  padding-left: var(--space-4);
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
ul,
ol,
figure,
blockquote,
dl {
  margin-block-start: 0;
  margin-block-end: 0;
}

/* Remove outline for mouse users but keep for keyboard users */
:focus:not(:focus-visible) {
  outline: none;
}

html:focus-within {
  scroll-behavior: smooth;
}

/* =========================
   BASE STYLES
   ========================= */

h1, h2, h3, h4, h5, h6 {
  color: var(--color-text);
  font-family: inherit;
  font-weight: 600;
  line-height: var(--line-height-tight);
  margin-block-end: var(--space-2);
  margin-block-start: var(--space-6);
}
h1 { font-size: var(--font-size-2xl); }
h2 { font-size: var(--font-size-xl); }
h3 { font-size: var(--font-size-lg); }
h4 { font-size: 1.125rem; }
h5 { font-size: var(--font-size-md); }
h6 { font-size: var(--font-size-sm); }

p {
  margin-block-end: var(--space-3);
  line-height: var(--line-height-loose);
  letter-spacing: 0.01em;
}

hr {
  border: none;
  border-top: 1px solid var(--color-gray-200);
  margin: var(--space-6) 0;
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color var(--transition-fast);
}
a:hover, a:focus-visible {
  color: var(--color-primary-hover);
}
a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

pre, code {
  font-family: var(--font-mono);
  background: var(--color-gray-100);
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-xs);
  font-size: 0.95em;
}

/* =========================
   HEADER & FOOTER STYLES
   ========================= */
.main-header {
  background: var(--color-surface);
  box-shadow: var(--shadow-xs);
  position: sticky;
  top: 0;
  z-index: 40;
}
.header-nav {
  min-height: 4.5rem;
  justify-content: space-between;
  align-items: center;
}
.logo-text {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
  letter-spacing: -0.5px;
}
.main-menu {
  list-style: none;
  gap: var(--space-4);
  margin: 0;
  align-items: center;
}
.main-menu li {
  margin: 0;
}
.main-menu a {
  text-decoration: none;
  color: var(--color-gray-600);
  font-weight: 500;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast), color var(--transition-fast);
}
.main-menu a:hover, .main-menu a:focus-visible {
  background: var(--color-primary);
  color: #fff;
}
.account-link {
  background: var(--color-gray-100);
  border-radius: var(--radius-sm);
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

/* MOBILE MENU */
.mobile-menu-toggle {
  display: none;
  background: transparent;
  border: none;
  outline: none;
  padding: var(--space-2);
  margin-left: var(--space-3);
  border-radius: var(--radius-sm);
  cursor: pointer;
  position: relative;
}
.mobile-menu-toggle .burger {
  width: 28px;
  height: 3px;
  background: var(--color-primary);
  display: block;
  border-radius: 2px;
  position: relative;
  transition: transform var(--transition-base);
}
.mobile-menu-toggle .burger::before,
.mobile-menu-toggle .burger::after {
  content: '';
  position: absolute;
  left: 0;
  width: 28px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform var(--transition-base);
}
.mobile-menu-toggle .burger::before {
  top: -9px;
}
.mobile-menu-toggle .burger::after {
  top: 9px;
}
@media (max-width: 900px) {
  .main-menu {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--color-surface);
    box-shadow: var(--shadow-lg);
    flex-direction: column;
    width: 92vw;
    max-width: 340px;
    padding: var(--space-4) 0;
    gap: var(--space-3);
    display: none!important;
    text-align: left;
    z-index: 60;
  }
  .main-menu.open {
    display: flex!important;
  }
  .main-menu .desktop-visible {
    display: none !important;
  }
  .mobile-menu-toggle {
    display: block;
  }
}
@media (max-width: 500px) {
  .main-header {
    min-height: 3.5rem;
  }
  .logo-text {
    font-size: 1.25rem;
  }
}

/* =========================
   FOOTER
   ========================= */
.main-footer {
  background: var(--color-surface);
  margin-top: var(--space-16);
  padding-top: var(--space-12);
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: var(--space-8);
  align-items: start;
  margin-bottom: var(--space-4);
}
.footer-logo {
  font-family: var(--font-sans);
  font-weight: 700;
  color: var(--color-primary);
  font-size: var(--font-size-lg);
  text-decoration: none;
}
.footer-desc {
  color: var(--color-gray-500);
  font-size: var(--font-size-sm);
  margin: var(--space-3) 0 0 0;
}
.footer-nav ul, .footer-legal ul {
  list-style: none;
  margin: 0; padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.footer-nav a, .footer-legal a {
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.footer-nav a:hover, .footer-legal a:hover, .footer-nav a:focus-visible, .footer-legal a:focus-visible {
  color: var(--color-primary);
  text-decoration: underline;
}
.footer-bottom {
  text-align: center;
  color: var(--color-gray-500);
  font-size: var(--font-size-xs);
  padding-bottom: var(--space-4);
}
@media (max-width:900px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    text-align: center;
  }
  .main-footer {
    padding-top: var(--space-8);
  }
}

/* =========================
   COOKIE CONSENT BANNER
   ========================= */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100vw;
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-lg);
  z-index: 100;
  padding: var(--space-4) var(--space-2);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-6);
  align-items: center;
  justify-content: center;
  font-size: var(--font-size-sm);
  transition: transform var(--transition-fast) 0.1s;
}
.cookie-actions {
  display: flex;
  gap: var(--space-2);
}
.button-cookie {
  font-size: var(--font-size-sm);
  padding: var(--space-2) var(--space-4);
  min-width: 90px;
  border: none;
}
.button-outline {
  background: var(--color-gray-200);
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.button-outline:hover, .button-outline:focus-visible {
  background: var(--color-primary-hover);
  color: #fff;
}
.cookie-banner[hidden] { display: none !important; }

@media (max-width: 540px) {
  .cookie-banner {
    flex-direction: column;
    gap: var(--space-3);
    font-size: var(--font-size-xs);
    text-align: center;
    padding: var(--space-3) var(--space-1);
  }
}
/* =========================
   UTILITIES
   ========================= */

.container {
  width: 100%;
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}
@media (max-width: 640px) {
  .container {
    padding-left: var(--space-2);
    padding-right: var(--space-2);
  }
}

.flex {
  display: flex;
}
.flex-center {
  justify-content: center;
  align-items: center;
}
.flex-column {
  flex-direction: column;
}
.grid {
  display: grid;
}
.grid-gap {
  gap: var(--space-4);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* =========================
   COMPONENTS - BUTTONS
   ========================= */

button, .button {
  font-family: inherit;
  font-size: var(--font-size-md);
  font-weight: 500;
  padding: var(--space-2) var(--space-4);
  border: none;
  border-radius: var(--radius-md);
  background: var(--color-primary);
  color: #fff;
  cursor: pointer;
  box-shadow: var(--shadow-xs);
  transition: background var(--transition-base),
              box-shadow var(--transition-base),
              transform var(--transition-fast);
}
button:hover, .button:hover,
button:focus-visible, .button:focus-visible {
  background: var(--color-primary-hover);
  box-shadow: var(--shadow-sm);
}
button:active, .button:active {
  transform: translateY(1px);
}
button:disabled, .button[aria-disabled="true"] {
  background: var(--color-gray-200);
  color: var(--color-gray-500);
  cursor: not-allowed;
  pointer-events: none;
}

/* =========================
   COMPONENTS - INPUTS
   ========================= */
input, textarea, select {
  font-family: inherit;
  font-size: var(--font-size-md);
  color: var(--color-text);
  background: var(--color-surface);
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-gray-300);
  outline: none;
  transition: 
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
  box-shadow: none;
}
input:focus-visible, textarea:focus-visible, select:focus-visible {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px rgba(1,103,178,0.07);
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}
input[disabled], textarea[disabled], select[disabled] {
  color: var(--color-gray-400);
  background: var(--color-gray-100);
  border-color: var(--color-gray-200);
  cursor: not-allowed;
}
::placeholder {
  color: var(--color-gray-400);
}

/* =========================
   COMPONENTS - CARD
   ========================= */
.card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}
.card:hover,
.card:focus-within {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

/* =========================
   ACCESSIBILITY & MOTION
   ========================= */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition-duration: 0.001ms !important;
    animation-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

/* =========================
   MOBILE-FIRST RESPONSIVENESS
   ========================= */
html {
  font-size: 100%;
}
@media (max-width: 768px) {
  h1 { font-size: var(--font-size-xl); }
  h2 { font-size: var(--font-size-lg); }
  h3 { font-size: 1.05rem; }
  .card {
    padding: var(--space-4);
  }
}
@media (max-width: 480px) {
  html {
    font-size: 95%;
  }
  .card {
    padding: var(--space-2);
  }
}